body {
  font-size: 12px;
  width: 100%;
  overflow-x: hidden;
}

body,
button,
input,
select,
textarea {
  font: 100%/1 'Microsoft YaHei', 'Helvetica Neue', Helvetica, STHeiTi, KaiTi;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
dl,
dt,
dd,
ul,
li,
th,
td,
p,
blockquote,
pre,
form,
fieldset,
legend,
input,
button,
textarea,
article,
aside,
footer,
header,
hgroup,
nav,
section,
menu {
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: 100%;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

em,
i {
  font-style: normal;
}

img {
  border: none;
}

input,
img {
  vertical-align: middle;
}

a,
input,
textarea {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
  -webkit-font-smoothing: antialiased;
  -webkit-appearance: none;
}

article,
aside,
footer,
header,
hgroup,
nav,
section {
  display: block;
}

a,
a:focus a:active {
  text-decoration: none;
  color: #3f3f3f;
}
a:hover {
  color: #333;
  text-decoration: underline;
}

.clear:after {
  content: '';
  clear: both;
  display: block;
  height: 0;
  visibility: hidden;
}

body {
  color: #3f3f3f;
}
